circuitpython/ports/stm32/boards/PYBD_SF2/board_init.c

/*
 * This file is part of the MicroPython project, http://micropython.org/
 *
 * The MIT License (MIT)
 *
 * Copyright (c) 2018-2019 Damien P. George
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

#include "py/mphal.h"
#include "storage.h"

void mboot_board_early_init(void) {
    // Enable 500mA on WBUS-DIP28
    mp_hal_pin_config(pyb_pin_W23, MP_HAL_PIN_MODE_INPUT, MP_HAL_PIN_PULL_UP, 0);
}

void board_early_init(void) {
    // Configure EN_3V3 as an output pin, but keep it turned off
    mp_hal_pin_config(pyb_pin_EN_3V3, MP_HAL_PIN_MODE_OUTPUT, MP_HAL_PIN_PULL_NONE, 0);

    // Explicitly init SPI2 because it's not enabled as a block device
    spi_bdev_ioctl(&spi_bdev2, BDEV_IOCTL_INIT, (uint32_t)&spiflash2_config);
}

void board_sleep(int value) {
    mp_spiflash_deepsleep(&spi_bdev.spiflash, value);
    mp_spiflash_deepsleep(&spi_bdev2.spiflash, value);
}